public function Test_of_addErrorOnEmpty() { $Person = new TestPerson(); $Person->addErrorOnEmpty('user_name'); $expected = array('user_name' => array($Person->getDefaultErrorMessageFor('empty'))); $this->assertEqual($Person->getErrors(), $expected); $Person->set('first_name', 'Bermi'); $Person->addErrorOnEmpty('first_name'); $this->assertEqual($Person->getErrors(), $expected); }